43440223434 has 16 divisors (see below), whose sum is σ = 87980200320. Its totient is φ = 14296782240.

The previous prime is 43440223433. The next prime is 43440223501. The reversal of 43440223434 is 43432204434.

43440223434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43440223395 and 43440223404.

It is not an unprimeable number, because it can be changed into a prime (43440223433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45822547 + ... + 45823494.

It is an arithmetic number, because the mean of its divisors is an integer number (5498762520).

Almost surely, 2^43440223434 is an apocalyptic number.

43440223434 is an abundant number, since it is smaller than the sum of its proper divisors (44539976886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43440223434 is a wasteful number, since it uses less digits than its factorization.

43440223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91646125.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 43440223434 its reverse (43432204434), we get a palindrome (86872427868).

The spelling of 43440223434 in words is "forty-three billion, four hundred forty million, two hundred twenty-three thousand, four hundred thirty-four".